EMS6500 EM Microelectronic, EMS6500 Datasheet - Page 101

• Manufacturer Part Number: EMS6500
• Description: Microcontroller Development System 4-bit (Emmon), Simulators 4-bit
• Manufacturer: EM Microelectronic

Copyright  2003 EM Microelectronic-Marin SA
9.2.
9.2.1. Port 1
The peripheral interface module for the EM6533 is shown below.
Port 1 is an input port with special interrupt sources. The state of port 1 is indicated
by the circular LED’s as well as the push buttons and can have values as shown in
Table 9-1.
to change the state of the port click on the corresponding button.
LED state
Detailed Description
Red
Yellow
Fig. 9-1. Peripheral interface for the EM6533 microcontroller
Table 9-1 Possible input port states
Button
H
L
State
Port high
Port low
37
Peripheral Interface
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EM66xx
Binder 4.3-01/03 Rev. B/495